Bearing Locknut DIN 981 — KM 4 — Steel
0002FQApprovedStandardStd. ref: DIN 981Std. designator: Not documentedESX designator: ESX-DIN981-KM4-ST-PL
Slotted round nut KM 4 for a 20 mm shaft thread, outside diameter 32 mm, width 6 mm, four spanner slots, per DIN 981.
Engineering Attributes
Dimensions
Clamp Face Diameter26 mm
Inner Diameter20 mm
Nominal SizeKM 4
Outer Diameter32 h13 (0/-0.39) mm
Slot Depth2 H17 (+1.00/0) mm
Slot Width4 js14 (±0.15) mm
Width6 h13 (0/-0.18) mm
Material
MaterialSteel (ISO 898-1)
Finish / SurfaceNone (as processed)
External interface
Thread SizeM20×1
Locking FeatureNo
Thread DirectionRight-hand
Thread TypeMetric fine (MF)
Internal properties
Unit Weight22.49 ± 1.66 g
14 attributes
Interchangeability
No interchangeability relationships agreed yet.
Technical data is provided as-is and must be independently verified before use. Terms
Pricing & Availability
Unit of sale: piece